FURVERT!

abdominal_bulge animal_genitalia animal_penis animal_vulva balls bite black_body black_fur black_pawpads canid canine canine_genitalia canine_penis canine_vulva cutaway duo echo_(wolffylegend)erection eyes_closed female female_penetrated feral feral_on_feral feral_penetrated feral_penetrating feral_penetrating_feral fur genitals grey_body grey_fur hi_res internal killthe_demon knot knot_bulge knot_root knotted_penis knotting large_penetration male male/female male_penetrating male_penetrating_female mammal multiple_ova open_mouth open_smile ovum pawpads penetration penile penile_penetration penis penis_in_vagina red_penis sex sheath smile sperm_cell vaginal vaginal_knotting vaginal_penetration vulva witchcraft_(nava)